Slow upload speed after adsl2+ cabinet installed

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die4once1

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#59368 3-Apr-2010 22:05

I just got an adsl2+ cabinet install in my area and I cant get more than 11mbps because my upload is only 440 kbps on a FS/FS plan. Is there anyway to increase this? I know I get more, look.

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#314553 4-Apr-2010 08:11

Hi, could you detail your house wiring, how many phone sockets, and does each phone/fax/skybox etc connected to the line have a filter, or is there a central filter.

The most common reason that the upstream circuit is reduced in performance is either poor or faulty filters or simply too many filters across the line. I recommend no more than 4, but less is good.

Do a simple isolation test, ie remove everything from the line except the DSL modem and see what you get then, also if you have a back to base alarm this can cause similar issues.

Cyril

johnr

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#314574 4-Apr-2010 09:05

And please report back on your findings

John

Damager

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#314585 4-Apr-2010 09:30

After my cabinet was upgraded, I could only get around 600kb/s upload sync. Changed the filter and it went up to 900 kb/s.

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sbiddle

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#314591 4-Apr-2010 09:39

If you want the best performance from ADSL2+ you need a master splitter installed rather than plug in filters. It's as simple as that.

die4once1

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#314708 4-Apr-2010 15:20

I took everything out of all the phone jacks and nothing changed. I've got 4 phone jacks just so you know.

cyril7

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#314713 4-Apr-2010 15:28

And you are sure you have no alarm across the line? or something hidden in a room that you have forgotten about, you would be surprised the number of times I ask people when I vist to sort out problems this question and they say nah nothing, then you find old 80s phone under someones bed connected pulling the speed back.

I would be wanting to do a full isolation test at the demarc, where you disconnect all the house side wiring and connect your modem to just the line, if you still get the same result then ring your ISP and ask for the port to be reset and the profile reloaded.

Cyril

die4once1

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#314727 4-Apr-2010 16:07

No alarm nothing, even tried my old router and got the same results. I guess it doesnt matter because I can only max the connection out on a couple of sites.

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cyril7

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#314728 4-Apr-2010 16:09

Ahh well, I would still be looking at doing as suggested above.

Cyril

die4once1

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#314737 4-Apr-2010 16:29

Don't know if I can be bothered. I think my demarc is on the ceiling thing outside.

die4once1

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#315903 7-Apr-2010 21:09

Download speed has increased but upload still the same.

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#315936 7-Apr-2010 21:54

Do you have Sky? A comonly missed one is the phone jacks that sky installers put in for phoning home.

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die4once1

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#315941 7-Apr-2010 22:03

Ya I do, but I left it unplugged. Didn't do anything to the internet or sky.

Oncop53

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#315963 7-Apr-2010 22:41

I think there may be an updated firmware for that router:

http://support.dlink.com.au

die4once1

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#315998 7-Apr-2010 23:58

I swapped over to a dynalink wireless router. Just today I got better downstream.

SamF

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#316689 9-Apr-2010 23:20

You are probably suffering from an (to quote telecom) "incompatible router", which translated, really means that telecom's new ADSL2 gear doesn't work very well with the majority of ADSL2 certified routers in the world. See http://www.geekzone.co.nz/forums.asp?forumid=49&topicid=52577 for more details.

Basically I've tried 3 different brands of router and only found one with a Broadcom chipset that works well. Fortunately Thomson ST536s sell for peanuts on TradeMe and are actually a pretty decent router!

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